75 lines
2.7 KiB
Java
Executable File
75 lines
2.7 KiB
Java
Executable File
/* ====================================================================
|
|
Licensed to the Apache Software Foundation (ASF) under one or more
|
|
contributor license agreements. See the NOTICE file distributed with
|
|
this work for additional information regarding copyright ownership.
|
|
The ASF licenses this file to You under the Apache License, Version 2.0
|
|
(the "License"); you may not use this file except in compliance with
|
|
the License. You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
==================================================================== */
|
|
package org.apache.poi.poifs.dev;
|
|
|
|
import org.apache.poi.poifs.filesystem.*;
|
|
|
|
import java.io.FileInputStream;
|
|
import java.io.File;
|
|
import java.io.IOException;
|
|
import java.io.FileOutputStream;
|
|
import java.util.Iterator;
|
|
|
|
/**
|
|
*
|
|
* Dump internal structure of a OLE2 file into file system
|
|
*
|
|
* @author Yegor Kozlov
|
|
*/
|
|
public class POIFSDump {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
for (int i = 0; i < args.length; i++) {
|
|
System.out.println("Dumping " + args[i]);
|
|
FileInputStream is = new FileInputStream(args[i]);
|
|
POIFSFileSystem fs = new POIFSFileSystem(is);
|
|
is.close();
|
|
|
|
DirectoryEntry root = fs.getRoot();
|
|
File file = new File(root.getName());
|
|
file.mkdir();
|
|
|
|
dump(root, file);
|
|
}
|
|
}
|
|
|
|
|
|
public static void dump(DirectoryEntry root, File parent) throws IOException {
|
|
for(Iterator it = root.getEntries(); it.hasNext();){
|
|
Entry entry = (Entry)it.next();
|
|
if(entry instanceof DocumentNode){
|
|
DocumentNode node = (DocumentNode)entry;
|
|
DocumentInputStream is = new DocumentInputStream(node);
|
|
byte[] bytes = new byte[node.getSize()];
|
|
is.read(bytes);
|
|
is.close();
|
|
|
|
FileOutputStream out = new FileOutputStream(new File(parent, node.getName().trim()));
|
|
out.write(bytes);
|
|
out.close();
|
|
} else if (entry instanceof DirectoryEntry){
|
|
DirectoryEntry dir = (DirectoryEntry)entry;
|
|
File file = new File(parent, entry.getName());
|
|
file.mkdir();
|
|
dump(dir, file);
|
|
} else {
|
|
System.err.println("Skipping unsupported POIFS entry: " + entry);
|
|
}
|
|
}
|
|
}
|
|
}
|